Central vacuum cleaning installations; Cleaning appliances utilizing steam; Cleaning machines for aviation engines; Cleaning machines for gas turbine and combustion engines; Cleaning machines for oil and gas industrial machines; Cleaning machines for ponds; Cleaning machines for power generation engines; Dust exhausting installations for cleaning purposes; Dust removing installations for cleaning purposes; Electric mixers; Electric mixers for household purposes; Electrical ultrasonic cleaning units for lasers for industrial use and jewellery; High pressure washers; Machines for cleaning surfaces using high pressure water; Machines for banknote cleaning; Machines for blast cleaning a surface; Machines for udder cleaning and washing of dairy cows; Textile washing machines; Abrasive blast cleaning machines; Carpet cleaning machines; Carpet cleaning machines, namely, carpet extractors; Compressor cleaning machines; Diffusers used in machines for wastewater and clean water treatment; Dry-cleaning machines; Electric clothing pressing machines for commercial dry cleaning and laundry purposes including shirt press, collar and cuff press, utility press, legger press, drapery press, pants topper, mushroom topper and puff iron; Floor cleaning machines; Kitchen machines, namely, electric standing mixers; Meat and food grinder attachments for electric mixers for household use; Metal valves used in cleaning machines for gas turbine and combustion engines; Multi-purpose high pressure washers; Non-abrasive blast cleaning machines; Particle blast cleaning machines and structural parts thereof; Parts and attachments for weaving machines and for weaving looms, and weaving machine parts, namely, weft-yarn selecting units, warp-typing machines, hand knotting and splicing machines, cam motion machines for weaving looms, dobbies, Jacquard looms, Jacquard and dobby cads, selvedge and false selvedge apparatus for weaving looms, automatic exchange systems consisting primarily of warp and cloth beam and quick-style change loom harnesses, beams and beam flanges for weaving looms, reeds, reed cleaning and brushing machines, healds, heald frames, harnesses, temples, cones, tubes and pirns for weaving, pickers and lug straps, flexible rapier tapes, grippers for weaving looms, cutters for weaving machines, rapier machines, yarn feeders, weft feeders, yarn deflectors, warp stop motions, weft stop motions, weft accumulators, stands and creels for weaving loom accessories; Pillow cleaning machines; Pipe cleaning machines; Power-operated cleaning machines, namely, lances designed to mechanically remove scale and sludge from secondary side tubesheets in steam generators in nuclear power plants; Sand cleaning machines; Self-contained, weather-protected mobile engine cleaning machines; Squeegee blades specially adapted for use with floor cleaning machines; Steam cleaning machines; Steam cleaning machines in the nature of steam mops; Wet-cleaning washers incorporating dryers; Wet-cleaning washing machines